Boot upper



FIG. 1 is a front perspective view of a first embodiment a boot upper according to the present invention;

FIG. 2 is a right side elevation view of the boot upper;

FIG. 3 is a left side elevational view of the boot upper;

FIG. 4 is a front elevation view of the boot upper;

FIG. 5 is a rear elevation view of the boot upper;

FIG. 6 is a top elevation view of the boot upper;

FIG. 7 is a front perspective view of a second embodiment of the boot upper;

FIG. 8 is a right side elevation view of the boot upper;

FIG. 9 is a left side elevational view of the boot upper;

FIG. 10 is a front perspective view of a boot upper;

FIG. 11 is a rear elevation view of the boot upper; and,

FIG. 12 is a top elevation view of the boot upper.

The broken lines are solely for the purpose of illustrating unclaimed areas and form no part of the claimed design. 

CLAIM The ornamental design for a boot upper for footwear, as shown and described. 